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VELTRON DPT-
plus
Air Monitor Corporation
116-010-91.P65 (09/18/09)
VELTRON DPT-
plus
- IO&M Manual
16
SECTION 5 – OPERATION
5.5 – PUSHBUTTON DEFINITION
The four pushbuttons used to interface with the VELTRON DPT-
plus
are identified by their symbols. The symbols are
defined as follows:
:
UP
:
DOWN
:
ENTER
:
ESCAPE
In addition to Configuration programming, pushbuttons can be used for certain functions when in the
Normal
operation
mode. The following list describes the pushbutton function when in the
Normal
operation mode and in the User Setup
(programming).
When in Normal Operation Mode.
Manually activates AUTO-zero (if AUTO-zero is ON).
Displays VELTRON DPT-
plus
and software
version number. Toggle action, depressing both again
causes the display to go back to the
Normal
operation mode.
Activates the User Setup menu.
When in User Setup.
Use to scroll to the desired Main Menu item.
Use to scroll to the value or mode within a parameter.
Enters user into specific selection sub-menu from Main Menu Selection.
Displays current setting of selected Parameter. Enters the selected value or setting into memory.
Use as an escape key to exit Main Menu selection to avoid scrolling to "Return to MAIN MENU".
Use as a quick way to advance to the last item selected when USER SETUP MAIN menu is
selected if the last item selected was exited using the key.
The following pushbutton combinations can be used to more quickly set user selected values (i.e. site elevation, inlet
area, Alarm Setpoints, Characterization Values, etc.).
Increase the second column digit.
Decrease the second column digit.
Increase the third column digit.
XXXXX
Decrease the third column digit.
Increase the fourth column digit.
Decrease the fourth column digit.
*
Must be pressed and held before other button(s) are pressed.
Note: Pushbuttons are momentary type and should be quickly pressed and released to initiate desired change,
unless otherwise instructed to press and hold.
2nd Column
3rd Column
4th Column
X
X
+
+
then
X
X
+
*
X
+
*
+
*
+
*
X
+
*
and
X
+
*
and
or